Three-level failure detection system and method for guaranteeing the normal play of video and audio

Abstract

The invention relates to a three-level failure detection system and method for guaranteeing the normal play of video and audio. A video-audio playing server comprises a video-audio I / O (input / output) board card, an application software failure detection device, an operating system, a board card driving program and a video-audio playing application program, the video-audio I / O board card comprises a board-carried signal switching device, a hardware failure detection device, a board card hardware register, a board card hardware control module, a signal input interface and a signal output port software failure detection device. The multilevel emergency causing sudden stop of the system can be detected in real time through the switching device, the failure detection device and the like, and a detection result can be announced in time, so that different countermeasures can be taken. Under the situation that the manual interference is not needed, the stability and safety of an entire playing process can be maintained.

Description

technical field [0001] The invention relates to a three-level fault detection system and method for ensuring normal broadcasting of video and audio, which is a digital processing technology, a method for computer video processing, and a system and protection system for ensuring normal broadcasting of video method. Background technique [0002] When the TV station is broadcasting normally, the broadcasting signal is often interrupted suddenly for some reason. With traditional TV broadcast equipment, the most common cause of this is a power outage. The solution is also relatively simple. You can use a backup power supply or a set of backup studio equipment powered by another power supply. Once the power is cut off, switch the power supply or switch to the backup studio equipment. With the digitalization of TV broadcasting equipment, computers have become the protagonists of broadcasting equipment, and the reasons for the sudden interruption of broadcasting signals on compute...

AI Technical Summary

Problems solved by technology

However, this solution has certain limitations. Firstly, the abnormal broadcasting of video and audio signals comes from all levels of the system. The power failure of the system causes the entire broadcasting system to fail to operate normally. The crash of the operating system and the abnormality of the driver may cause The system cannot run normally, and the video and audio playback software is suspended, unexpectedly exited or forcibly killed, which will also prevent the video and audio from playing normally

However, using a detection and response mechanism obviously cannot ensure that the video and audio broadcast system can still broadcast safely and reliably at the output port when various unexpected situations occur.

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